{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "trigger": true, "arguments": ["attack pattern", "payment method", "victim", "time", "price", "tool", "place", "attacker"]}, {"event_type": "phishing", "trigger": true, "arguments": ["purpose", "place", "tool", "time", "attack pattern", "trusted entity"]}, {"event_type": "data breach", "trigger": true, "arguments": ["compromised data", "place", "tool", "damage amount", "victim", "purpose", "attacker", "number of data", "number of victim", "time"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["vulnerability", "vulnerable system version", "patch number", "time", "patch", "releaser", "common vulnerabilities and exposures", "vulnerable system"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["common vulnerabilities and exposures", "supported platform", "discoverer", "time", "vulnerable system owner", "vulnerable system version", "capabilities", "vulnerability", "vulnerable system"]}], "input": "To recap , Meltdown ( aka F ** CKWIT or CVE -2017-5754 ) is a proof - of - concept hardware vulnerability uncovered almost simultaneously by several groups of researchers through which an attacker could access the contents of kernel memory ( passwords , encryption keys , say ) from the part used by ordinary applications ."}
{"ransom": [], "phishing": [], "data breach": [], "patch vulnerability": [], "discover vulnerability": [{"trigger": "uncovered", "arguments": {"common vulnerabilities and exposures": "CVE -2017-5754", "supported platform": "NAN", "discoverer": "several groups of researchers", "time": "NAN", "vulnerable system owner": "NAN", "vulnerable system version": "NAN", "capabilities": "an attacker could access the contents of kernel memory", "vulnerability": ["Meltdown", "a proof - of - concept hardware vulnerability"], "vulnerable system": "NAN"}}]}